<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">

<head>
<script>

function boom()
{
  var doom = document.getElementById("doom");
  doom.parentNode.removeChild(doom);
  document.documentElement.removeAttribute("class");
}

</script>
</head>

<body onload="setTimeout(boom, 30);">
  <div>
    <p id="doom">This paragraph disappears.</p>
    <math xmlns='http://www.w3.org/1998/Math/MathML' display='block'><msub><mi>y</mi><mn>0</mn><frameset xmlns="http://www.w3.org/1999/xhtml" /></msub></math>
  </div>
</body>

</html>
